Stream Now 
Shows

Celebrate the Parents of the Serengeti

Lupita Nyong’o Goes on a Real Life Serengeti Adventure

STREET OUTLAWS: MEMPHIS Heads to the Vegas Streets for a Super-Star Event

Here's a First Look at the New Season of STREET OUTLAWS: MEMPHIS

Bakari is the Serengeti's Most Eligible Single Dad

The Muscle and Madi Welcome Baby Girl to the World

Overcoming Tragedy: The Raney Family's New Cabin

3 Reasons You Have to Watch This Documentary on Nuns Fighting the Patriarchy

Noah and Rhain Alisha Brown Are Expecting

Josh Gates Tonight Zoom Backgrounds
See All Shows
DNews

The American Wolf is Making a Comeback

These Goats Help Us During Fire Season

Canada's Wildlife is in Hot Water

Bison are on the Move in Romania

Invasive Plant Problem? Bring in the Goats

An Animal Awakens After 24,000 Years Frozen in Ice

Watch Out! There's a New Ocean on the Block

An Inspiration for All: Rosie the Penguin

The Shark Fin Sales Elimination Act Passed the US Senate

Biden Summit Commits Nations to Less Pollution and a Brighter Future
See All DNews
Nature

The American Wolf is Making a Comeback

How to Do Your Part During Wildfire Season

Through the Eyes of Nature: What Animals Can See That We Can't

What We Can Learn From the Eyes of Nature

These Goats Help Us During Fire Season

Canada's Wildlife is in Hot Water

Bison are on the Move in Romania

Invasive Plant Problem? Bring in the Goats

Moths: One of the Most Diverse Species in the Insect Kingdom

Shark Tracking is Protecting Endangered Species like the Great White and Tiger Shark
See All Nature
Exploration

Tour Lima by Photograph

3 Explorers Pioneering a New Frontier

America’s Most Iconic Trains are Back in Action — Here’s What You Need to Know

Dig In with the Women of Archaeology

Meet the Changemakers

Take Off with the Tipple Family on the All-New Series NATURE IS FLY

Your Ultimate Guide to Road Trip Packing

Meet the Polynesian Voyaging Society

4 People Changing the Tides

Breaking New Ground with Paleontologist from Mongolia
See All Exploration
Space

NASA is Going Back to Venus. Here’s Why You Should Care.

What to Know About NASA’s Boeing Orbital Flight Test-2

The Head of NASA Believes in Aliens

A Jupiter-Sized Exoplanet Orbiting Two Stars

Blue Origin's First Crewed Spaceflight Has Successful Liftoff and Landing

What You Need to Know About Blue Origin’s Launch into Space with Billionaire Jeff Bezos

Billionaire Jeff Bezos' Journey to Space

Richard Branson of Virgin Galactic Successfully Travels to Space

Top 5 Cosmic Fireworks Displays

Do You Want to Go to Space?
See All Space
Science

Digital Twins are a Virtual Replica of Everything

What the Missing Antarctic Microbes Mean for Life on Other Planets

Sea Drones are the Robot Scientists That Help Protect the World's Oceans

Ancient DNA Reveals New Evidence, Changing What We Know About Human Evolution

Soft Robots Ape Nature to Operate in the Harshest Conditions

Icelandic Eruptions Raise Concerns About Volcanic Activity Close to Reykjavik

Wild Climate Ride Expected as Cryptocurrency Popularity Fuels Power Consumption

Sound Designs: Making Buildings Better through Acoustic Design

Could Growing Wood be Quicker and Greener Than Cutting Down Forests?

Getting the Benefits of Green Spaces through Virtual Nature
See All Science
Motor

Solid State Batteries Promise Long Life and Rapid Refuel Electric Vehicles

Electric vs. Hydrogen: The Pros and Cons of Greener Transportation

Car Industry Takes a Hit Due to Chip Shortage

Flame Out: UK Brings Forward Combustion Engine Car Ban to 2030

Jesse James is Back with a New Monster Garage on discovery+

The DMC DeLorean: The Car Behind The Madness

The DMC DeLorean: Photos of the Hollywood Icon

Hydrogen Power: Moving the World into Clean Energy

Tune-Up Your Engines, American Chopper Returns August 4th

Most Remarkable Cars from Motor Monday
See All Motor
Schedule
More
Cancel

7 Seasons
Watch on
or  Use your tv provider
S3 E4 9/4/17

Race Against the Machine

Heavy D, Diesel Dave and the Dieselsellerz crew scramble to finish an F-100 race truck in time to race the legendary Mint 400, and Heavy D has the biggest giveaway yet -- the Mighty Megaram.

← Previous Episode
Next Episode →

The Latest

The Muscle and Madi Welcome Baby Girl to the World

The Muscle is Engaged!

The Muscle is Getting Married!

Tell Us About Your Hobbies and We'll Tell You Which Diesel Brother You Are!

Which Diesel Brother Should Be Your Workout Buddy?

Which Diesel Brother has the Same Taste in Cars as You?

QUIZ: Which Diesel Bro Should You Grab Grub With?

Diesel Brothers are BACK this Memorial Day

Load More

Seasons

Episode   1

The Doubleheader: Game 1

Episode   2

The Doubleheader: Game 2

Episode   3

Race Against the Machine

Episode   4

3 Axles and a Baby

Episode   5

Snow Job

Episode   6

Clash of the Titan

Episode   7

Wham, Bam, C10 Slam

Episode   8

Thunder or Lightning

Episode   9

Not So Easy Rider

Episode   10

Bros to the Rescue!

Episode   11

Hurricanes,Trucks, Snowmobiles

Episode   101

Dear Diary